Use the Database Properties wizard to change the owner of a database.
You can change ownership of a database to a user who is not a current user of the database and who does not have a current alias in the database.
Note: Only system administrators can change database ownership.
In the Administration Console view, select Server > Schema Objects > Databases.
Select one of:
User Databases
System Databases
Temporary Databases
Proxy Databases
Archive Databases
In-Memory Databases
In-Memory Temporary Databases
Click the Name field of the database.
Click the arrow and select Properties.
Sybase Control Center displays the Properties wizard.
On the default General screen, click Change Owner.
From the list, choose the login name for the new owner of the database. Additionally, you can choose to transfer all the aliases and their permissions to the new owner.